Perhaps you should try some spelling variations:
"sang dieu lua snippets" » "dang dieu lua snippets", "hang dien lua snippets", "sang dieu cua snippets", "sang hieu luat snippets", "sang dien luan snippets", "sang dieu lua slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sang dieu lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang dieu lua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang dieu lua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang dieu lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.